环境Centos 7
1.更新系统
yum -y install epel-release
yum clean all
yum makecache
yum -y update
2.安装给组件
yum install -y lrzsz ntpdate sysstat wget vim net-tools
3.安装Yum Mysql 源
wget http://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm
sudo yum -y localinstall mysql57-community-release-el7-9.noarch.rpm sudo yum -y install mysql-community-server sudo systemctl restart mysqld sudo grep ‘temporary password‘ /var/log/mysqld.log
4.更换数据目录
sudo systemctl stop mysqld
sudo mkdir -p /home/mydata/mysql
sudo chown mysql:mysql -R /home/mydata/mysql
sudo mv /var/lib/mysql/* /home/mydata/mysql
sudo ln -s /home/mydata/mysql/mysql.sock /var/lib/mysql/mysql.sock
5.更换数据目录配置
sudo vim /etc/my.cnf #调整配置如下 datadir=/home/mydata/mysql/ socket=/home/mydata/mysql/mysql.sock
6.最后重启服务
sudo systemctl restart mysqld